5e is far less complex than 2e. But nobody expect high complexity for a big modern title.
PS : Divine Divinity is the unique larian game which i liked,
I don't think I agree that 2e had far more complexity than 5e. The 2e system had fewer moving parts overall.
There was a little more in terms of your leveling up choices for each level...proficiency (if you had it at the level) and Thief Skills (if you were a thief). Otherwise it was just "take what the chart says." If you were a human, you could choose a dual class (otherwise multiclass was a decision at 1st level only).
In 5e, you get a choice at 1st, 2nd, or 3rd level for a subclass. Some subclasses of each class have choices periodically. Each level you can choose if you want to multiclass. Every 4 class levels you can choose a Feat or 2x Stat Advancements.5e also has more moving parts in combat.
